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A board foot is a United States and Canadian unit of approximate volume, used for lumber. It is equivalent to 1 inch × 1 foot × 1 foot (144 cu in or 2,360 cm 3). It is also found in the unit of density pounds per board foot. In Australia and New Zealand the terms super foot or superficial foot were formerly used for this unit. The exact ...
The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions. For example, the aspect ratio of a rectangle is the ratio of its longer side to its shorter side—the ratio of width to height, [1] [2] when the rectangle is oriented as a "landscape".
The consensus of modern scholars is that this pyramid's proportions are not based on the golden ratio, because such a basis would be inconsistent both with what is known about Egyptian mathematics from the time of construction of the pyramid, and with Egyptian theories of architecture and proportion used in their other works. [108]
Euclid gives an alternative construction of the golden rectangle using three polygons circumscribed by congruent circles: a regular decagon, hexagon, and pentagon. The respective lengths a , b , and c of the sides of these three polygons satisfy the equation a 2 + b 2 = c 2 , so line segments with these lengths form a right triangle (by the ...
Typical resolution is 500 mickeys per inch (16 mickeys per mm), but resolutions up to 16,000 mickeys per inch (600 mickeys per mm) are available. Muggeseggele A Muggeseggele is a humorous Alemannic German idiom used in Swabia to designate a nonspecific very small length or amount of something; it refers to a housefly 's scrotum .
In the case of materials, it is often expressed in terms of R-value per unit length (e.g., per inch of thickness). The latter can be misleading in the case of low-density building thermal insulations, for which R-values are not additive: their R-value per inch is not constant as the material gets thicker, but rather usually decreases. [10]
[0; 4, 4, 8, 16, 18, 5, 1, 1, 1, 1, 7, 1, 1, 6, 2, 9, 58, 1, 3, 4, …] [OEIS 100] Computed up to 1 011 597 392 terms by E. Weisstein. He also noted that while the Champernowne constant continued fraction contains sporadic large terms, the continued fraction of the Copeland–Erdős Constant do not exhibit this property. [Mw 85] Base 10 ...
Fontanini produces 5 inch nativity scene figures at this scale. 1:14: 0.8571428 in: 21.77 mm Tamiya Tamiya 56301 RC 1:14 King Hauler, RC Tractor Trucks 1:14 Scale. 1:13.71: 22.225 mm Model railway scratchbuilders' scale at 7 ⁄ 8 inches to a foot, commonly used with 45 mm gauge track to represent 2 ft gauge prototypes. 1:13: 59 ⁄ 64 in: 23.44 mm